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2144280808 = 231006126641
BaseRepresentation
bin111111111001111…
…0010000011101000
312112102211202021201
41333303302003220
513342413441213
6552435213544
7104065041355
oct17763620350
95472752251
102144280808
11a004329aa
124ba1472b4
13282323017
14164ad562c
15c83b26dd
hex7fcf20e8

2144280808 has 16 divisors (see below), whose sum is σ = 4021077060. Its totient is φ = 1071993600.

The previous prime is 2144280799. The next prime is 2144280821. The reversal of 2144280808 is 8080824412.

It can be written as a sum of positive squares in 2 ways, for example, as 2032386724 + 111894084 = 45082^2 + 10578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67168 + ... + 93808.

Almost surely, 22144280808 is an apocalyptic number.

It is an amenable number.

2144280808 is a deficient number, since it is larger than the sum of its proper divisors (1876796252).

2144280808 is a wasteful number, since it uses less digits than its factorization.

2144280808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36708 (or 36704 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 2144280808 is about 46306.3797764412. The cubic root of 2144280808 is about 1289.5174382392.

The spelling of 2144280808 in words is "two billion, one hundred forty-four million, two hundred eighty thousand, eight hundred eight".

Divisors: 1 2 4 8 10061 20122 26641 40244 53282 80488 106564 213128 268035101 536070202 1072140404 2144280808